/src/samba/source4/cluster/cluster.c
Line | Count | Source |
1 | | /* |
2 | | Unix SMB/CIFS implementation. |
3 | | |
4 | | core clustering code |
5 | | |
6 | | Copyright (C) Andrew Tridgell 2006 |
7 | | |
8 | | This program is free software; you can redistribute it and/or modify |
9 | | it under the terms of the GNU General Public License as published by |
10 | | the Free Software Foundation; either version 3 of the License, or |
11 | | (at your option) any later version. |
12 | | |
13 | | This program is distributed in the hope that it will be useful, |
14 | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | GNU General Public License for more details. |
17 | | |
18 | | You should have received a copy of the GNU General Public License |
19 | | along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include "includes.h" |
23 | | #include "cluster/cluster.h" |
24 | | #include "cluster/cluster_private.h" |
25 | | #include "librpc/gen_ndr/misc.h" |
26 | | #include "librpc/gen_ndr/server_id.h" |
27 | | |
28 | | static struct cluster_ops *ops; |
29 | | |
30 | | /* set cluster operations */ |
31 | | void cluster_set_ops(struct cluster_ops *new_ops) |
32 | 0 | { |
33 | 0 | ops = new_ops; |
34 | 0 | } |
35 | | |
36 | | /* |
37 | | an ugly way of getting at the backend handle (eg. ctdb context) via the cluster API |
38 | | */ |
39 | | void *cluster_backend_handle(void) |
40 | 0 | { |
41 | 0 | return ops->backend_handle(ops); |
42 | 0 | } |
43 | | |
44 | | /* by default use the local ops */ |
45 | | static void cluster_init(void) |
46 | 0 | { |
47 | 0 | if (ops == NULL) cluster_local_init(); |
48 | 0 | } |
49 | | |
50 | | /* |
51 | | create a server_id for the local node |
52 | | */ |
53 | | struct server_id cluster_id(uint64_t pid, uint32_t task_id) |
54 | 0 | { |
55 | 0 | cluster_init(); |
56 | 0 | return ops->cluster_id(ops, pid, task_id); |
57 | 0 | } |
58 | | |
59 | | /* |
60 | | open a temporary tdb in a cluster friendly manner |
61 | | */ |
62 | | struct db_context *cluster_db_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *dbbase, int flags) |
63 | 0 | { |
64 | 0 | cluster_init(); |
65 | 0 | return ops->cluster_db_tmp_open(ops, mem_ctx, lp_ctx, dbbase, flags); |
66 | 0 | } |
67 | | |
68 | | |
69 | | /* |
70 | | register a callback function for a messaging endpoint |
71 | | */ |
72 | | NTSTATUS cluster_message_init(struct imessaging_context *msg, struct server_id server, |
73 | | cluster_message_fn_t handler) |
74 | 0 | { |
75 | 0 | cluster_init(); |
76 | 0 | return ops->message_init(ops, msg, server, handler); |
77 | 0 | } |
78 | | |
79 | | /* |
80 | | send a message to another node in the cluster |
81 | | */ |
82 | | NTSTATUS cluster_message_send(struct server_id server, DATA_BLOB *data) |
83 | 0 | { |
84 | 0 | cluster_init(); |
85 | 0 | return ops->message_send(ops, server, data); |
86 | 0 | } |